Patent · US Active

Oxygen barriers based on modified cellulose fibers

US10351632B2 · kind B2 · utility

0Cited by

0References

23Claims

0Family size

Assignee

BILLERUDKORSNAS AB · SE

Inventors

Per-Olof Larsson · Helsingborg, SE
Lars Wagberg · Kungsängen, SE

Key dates

Filing date	Jun 30, 2016
Grant date	Jul 16, 2019
Priority date	—
Expiry date	Jun 30, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2201/14
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

There is provided a use of a material comprising fibers as an oxygen barrier, wherein the fibers comprise native cellulose and dialcohol cellulose. There is also provided a material comprising fibers and having a density of at least 1200 kg/m3, wherein the fibers comprise native cellulose and dialcohol cellulose and the oxygen permeability of the material according to ASTM D3985 is below 30 ml·μm/(m2·kPa·24 h) at 23° C. and 80% relative humidity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.